Home / 115,599.61-173,389.56-45,478.72

Finding the Fourth Proportional to 115,599.61, 173,389.56 and 45,478.72

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Solution

The fourth proportional to 115,599.61, 173,389.56 and 45,478.72 is: 68,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,599.61 : 173,389.56 = 45,478.72 : x
  2. Step 2: Convert to fraction form
    115,599.61/173,389.56 = 45,478.72/x
  3. Step 3: Cross multiply
    115,599.61x = 173,389.56 × 45,478.72
  4. Step 4: Simplify right side
    115,599.61x = 7,885,535,250.16
  5. Step 5: Solve for x
    x = 7,885,535,250.16/115,599.61
  6. Step 6: Final answer
    x = 68,214.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.